83801385

素因数分解:

$3^4\times 5^1\times {\mathrm{206917}}^1$

素因数の和:206934

約数の個数: 20

約数和(自身を含む): 150222468

約数和(自身を除く): 66421083

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 206917, 620751, 1034585, 1862253, 3103755, 5586759, 9311265, 16760277, 27933795, 83801385]

約数ペア:

[(1, 83801385), (3, 27933795), (5, 16760277), (9, 9311265), (15, 5586759), (27, 3103755), (45, 1862253), (81, 1034585), (135, 620751), (405, 206917)]